National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

A Few Clouds

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 29 Jun 9:55 pm EDT
Extended Forecast for

3 Miles SW Smithfield NC

  • Tonight

    Tonight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 90. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 90 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 67. Calm wind.

    Low: 67 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 70. Calm wind.

    Low: 70 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 72.

    Low: 72 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 67. Calm wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 90. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 67. Calm wind.
Wednesday
Sunny, with a high near 94. Light and variable wind.
Wednesday Night
Clear, with a low around 70. Calm wind.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Clear, with a low around 72.
Friday
Sunny and hot, with a high near 101.
Friday Night
Clear, with a low around 75.
Independence Day
Sunny and hot, with a high near 104.
Saturday Night
Mostly clear, with a low around 77.
Sunday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 103. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 101. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Smithfield NC
 35.47°N 78.37°W (Elev. 148 ft)
Last Update:
7:32 pm EDT Jun 29, 2026
Forecast Valid:
10pm EDT Jun 29, 2026-6pm EDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation